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SAE J403 1526 vs BS 970 (Part 1) 045A10

Close Alternative — 84.9% match based on chemical composition and mechanical property overlap.

SAE J403 1526 (SAE J403:2014) and BS 970 (Part 1) 045A10 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. SAE J403 1526 is typically used for chemistry-only grade; product scope as listed in the composition notes, while BS 970 (Part 1) 045A10 is commonly used for case hardening steel (section four). SAE J403 1526 is defined under SAE International, originating from United States, while BS 970 (Part 1) 045A10 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, SAE J403 1526 vs BS 970 (Part 1) 045A10 is a 85.7% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 84.9%.

Frequently Compared With SAE J403 1526:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 080A20 BS 970 (Part 1) 040A12 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A32 BS 970 (Part 1) 070M26 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 040A04
Match Breakdown
CHEMISTRY MATCH
85.7%
MECHANICAL MATCH
No shared data
OVERALL
84.9%
Specifications
Property SAE J403 1526 BS 970 (Part 1) 045A10
Standard SAE J403:2014 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.22-0.29 0.08-0.13
Mn (%) 1.10-1.40 0.30-0.60
P (%) <=0.030 (flat rolled), <=0.040 (long products) Not specified
S (%) <=0.035 (flat rolled), <=0.050 (long products) Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property SAE J403 1526 BS 970 (Part 1) 045A10
Condition Not specified Case hardened, 19 mm test bar
Tensile Strength Not specified 430 MPa min
Elongation Not specified 18 % min
Typical Applications
SAE J403 1526
Chemistry-only grade; product scope as listed in the composition notes
BS 970 (Part 1) 045A10
Case hardening steel (section four)
Key Differences
Can SAE J403 1526 Be Substituted With BS 970 (Part 1) 045A10?
SAE J403 1526 and BS 970 (Part 1) 045A10 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
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SAE J403 1526
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BS 970 (Part 1) 045A10
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Frequently Asked Questions
What is the difference between SAE J403 1526 and BS 970 (Part 1) 045A10?
SAE J403 1526 specifies P, S which are not specified for BS 970 (Part 1) 045A10.
Can SAE J403 1526 be substituted with BS 970 (Part 1) 045A10?
SAE J403 1526 and BS 970 (Part 1) 045A10 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.